American-Canadian actor Brian Markinson was born in Brooklyn, NY, graduated from the American Academy of Dramatic Arts in New York in 1983, married a Canadian woman, and moved to Vancouver, British Columbia. A long-time character actor, Markinson frequently played very intense smaller roles, usually authority figures such as policemen, doctors, and lawyers. Markinson's early career in front of the camera consisted mainly of single-shot guest starring roles in shows like newsroom comedy "Murphy Brown" (CBS 1988-1998), legal drama "LA Law" (NBC 1986-1994), and the short-lived revival of "Columbo" (CBS 1993). He later found an audience on Canadian television, including regular roles on "DaVinci's Inquest" (CBC 1998-2005), "Davinci's City Hall" (CBC 2005), and "Continuum" (Syfy 2013-15). He also continued to work in American television, recurring on lesbian drama "The L Word" (Showtime 2004-09) and moody procedural drama "The Killing" (AMC 2011-13; Netflix, 2014). Markinson made a mark for himself in the Star Trek universe, where he played guest starring roles in three of the television series: "Star Trek: Next Generation" (Syndication 1987-1994), "Star Trek: Deep Space Nine" (Syndication 1993-99), and...

American-Canadian actor Brian Markinson was born in Brooklyn, NY, graduated from the American Academy of Dramatic Arts in New York in 1983, married a Canadian woman, and moved to Vancouver, British Columbia. A long-time character actor, Markinson frequently played very intense smaller roles, usually authority figures such as policemen, doctors, and lawyers. Markinson's early career in front of the camera consisted mainly of single-shot guest starring roles in shows like newsroom comedy "Murphy Brown" (CBS 1988-1998), legal drama "LA Law" (NBC 1986-1994), and the short-lived revival of "Columbo" (CBS 1993). He later found an audience on Canadian television, including regular roles on "DaVinci's Inquest" (CBC 1998-2005), "Davinci's City Hall" (CBC 2005), and "Continuum" (Syfy 2013-15). He also continued to work in American television, recurring on lesbian drama "The L Word" (Showtime 2004-09) and moody procedural drama "The Killing" (AMC 2011-13; Netflix, 2014). Markinson made a mark for himself in the Star Trek universe, where he played guest starring roles in three of the television series: "Star Trek: Next Generation" (Syndication 1987-1994), "Star Trek: Deep Space Nine" (Syndication 1993-99), and "Star Trek: Voyager" (UPN 1995-2001), in addition to a recurring role on "Caprica" (Syfy 2010), created by "Star Trek" writer Ron Moore. He also frequently collaborated with Mike Nichols, acting in Nichol's films "Wolf" (1994), "Primary Colors" (1998), "Angels In America" (HBO 2003) and "Charlie Wilson's War" (2007), in addition to a number of plays with the producer/director. In the sixth season of the hit drama "Mad Men" (AMC 2007-15) Markinson played Dr. Arnold Rosen, a neighbor and friend of Don Draper (Jon Hamm) unaware of the relationship between Draper and his wife Sylvia (Linda Cardellini).